<template>
	<view class="search">
		<musichead title="搜索" :icon="true" :iconblack="true"></musichead>
		<!-- 下拉可滚动区域 -->
		<view class="container">
			<scroll-view scroll-y="true" >
				<!-- 搜索栏 -->
					<view class="search-search">
						<text class="iconfont icon-fangdajing"></text>
						<input type="text" placeholder="搜索歌曲" v-model="searchWord" @confirm="handeleToHistory(searchWord)" @input="handleToSuggest"/>
						<text v-show="searchType != 1" class="iconfont icon-guanbi" @click="handleToClose"></text>
					</view>
					
					<block v-if="searchType == 1">
					<!-- 搜索历史 -->
					<view class="search-history">
						<view class="search-history-head">
							<text>历史记录</text>
							<text class="iconfont icon-lajitong" @tap="handleToClear"></text>
						</view>
						<view class="search-history-list">
							<view v-for="(item,index) in searchHistory" @tap="handleToWord(item)">{{item}}</view>
							
						</view>
					</view>
					<!-- 热搜榜 -->
					<view class="search-hot">
						<view class="search-hot-head">热搜榜</view>
							<view class="search-hot-item" v-for="(item,index) in searchHot" :key="index" @tap="handleToWord(item.searchWord)">
								<view class="search-hot-top">{{index + 1 }}</view>
								<view class="search-hot-word">
									<view>{{item.searchWord}}<image :src="item.iconUrl" mode="aspectFi"></image></view>
									<view>{{item.content}}</view>
								</view>	
								<text class="search-hot-count">{{item.score}}</text>
							</view>
						</view>
					
					</block>
				<block v-else-if="searchType == 2">
					<view class="search-result">
						<!-- <view class="search-result-item">
							<view class="search-result-word">
								<view>少年</view>
								<view>许巍 - 爱如少年</view>
							</view>
							<text class="iconfont icon-bofang"></text>
						</view> -->

						<view class="search-result-item" v-for="(item, index) in searchList" :key="index" @tap="handleToDetail(item.id)">
							<view class="search-result-word">
								<view>{{ item.name }}</view>
								<view>{{ item.artists[0].name }} - {{ item.album.name }}</view>
							</view>
							<text class="iconfont icon-bofang"></text>
						</view>
						
					</view>
				</block>
				<block v-else-if="searchType == 3">
					<view class="search-suggest">
						<view class="search-suggest-head">搜素“{{ searchWord }}”</view>
						
						<view class="search-suggest-item" v-for="(item, index) in searchSuggest" :key="index" @tap="handleToWord(item.keyword)">
							<text class="iconfont icon-fangdajing"></text>{{ item.keyword }}
						</view>
						
					</view>
				</block>
			</scroll-view>
		</view>
	</view>
</template>

<script>
	import { searchHot , searchWord , searchSuggest} from '../../common/api.js'
	export default {
		data() {
			return {
				searchHot:[],
				searchWord:'',
				searchHistory:[],
				searchType:1,
				searchList:[],
				searchSuggest:[]
				
			}
		},
		onLoad() {
			searchHot().then((res)=>{
				// console.log(res);
				if(res[1].data.code == 200){
					this.searchHot = res[1].data.data
				}
			})
			//加载上页面显示本地搜索记录
			uni.getStorage({
				key:'searchHistory',
				success:(res)=>{
					this.searchHistory = res.data
				}
			})
			
		},
		methods: {
			//点击显示到搜索框
			handleToWord(word){
				this.searchWord = word
				this.handeleToHistory(word)
			},
			handeleToHistory(word){
				// console.log(word);
				this.searchHistory.unshift(word)
				

				
				//去重
				this.searchHistory = [...new Set(this.searchHistory)]
				//保持只有10个搜索记录
				if(this.searchHistory.length > 10){
					this.searchHistory.length = 10
				}
				//存储本地
				uni.setStorage({
					key:'searchHistory',
					data:this.searchHistory
				})
				//回车后清除输入框内容
				
				//输入搜索的关键字
				this.getSearchList(word)
			},
			//清除搜索记录
			handleToClear() {
				uni.removeStorage({
					key: 'searchHistory',
					success: (res) => {
						this.searchHistory = [];
					}
				})
			},
			//搜索列表
			getSearchList(word) {
				searchWord(word).then((res)=>{
					if (res[1].data.code == '200') {
						this.searchList = res[1].data.result.songs;
						// console.log(this.searchList)
						this.searchType = 2;
					}
				})
			},
			//关闭搜索记录
			handleToClose(){
				this.searchWord = ''
				this.searchType = 1
			},
			handleToDetail(id){
				uni.navigateTo({
					url: '/pages/detail/detail?id=' + id
				});
			},
			handleToSuggest(ev){
				//获取输入的搜索值
				let value =  ev.detail.value
				// console.log(value);
				if(!value){
					this.searchType = 1
					return
				}
				searchSuggest(value).then((res)=>{
						if (res[1].data.code == '200') {
							this.searchSuggest = res[1].data.result.allMatch;
							this.searchType = 3;
						}
					});
	
			}
		}
	}
</script>

<style scoped>
	.search-search {
			display: flex;
			align-items: center;
			height: 70rpx;
			margin: 30rpx 30rpx 50rpx 30rpx;
			background: #f7f7f7;
			border-radius: 35rpx;
		}
	
		.search-search text {
			margin: 0 26rpx;
		}
	
		.search-search input {
			flex: 1;
			font-size: 26rpx;
		}
	
		.search-history {
			margin: 0 30rpx 50rpx 30rpx;
			font-size: 26rpx;
		}
	
		.search-history-head {
			display: flex;
			justify-content: space-between;
			margin-bottom: 36rpx;
		}
	
		.search-history-list {
			display: flex;
			flex-wrap: wrap;
		}
	
		.search-history-list view {
			padding: 16rpx 28rpx;
			border-radius: 40rpx;
			margin-right: 30rpx;
			margin-bottom: 30rpx;
			background-color: #f7f7f7;
		}
	
		.search-hot {
			margin: 0 30rpx;
			font-size: 26rpx;
		}
	
		.search-hot-head {
			margin-bottom: 36rpx;
		}
	
		.search-hot-item {
			display: flex;
			align-items: center;
			margin-bottom: 58rpx;
		}
	
		.search-hot-top {
			color: #fb2222;
			width: 60rpx;
			margin-left: 8rpx;
		}
	
		.search-hot-word {
			flex: 1;
		}
	
		.search-hot-word view:nth-child(1) {
			font-size: 30rpx;
			color: black;
		}
	
		.search-hot-word view:nth-child(2) {
			font-size: 24rpx;
			color: #878787;
		}
	
		.search-hot-word image {
			width: 26rpx;
			height: 20rpx;
			margin-right: 10rpx;
}
	
		.search-hot-count {
			color: #878787;
		}
		
		.search-result { border-top: 2rpx #e4e4e4 solid; padding: 30rpx; }
			.search-result-item { display: flex; justify-content: space-between; align-items: center; padding-bottom: 30rpx;
			margin-bottom: 30rpx; border-bottom: 2rpx #e4e4e4 solid;}
			.search-result-word {}
			.search-result-word view:nth-child(1) { font-size: 28rpx; color: #235790; margin-bottom: 12rpx; }
			.search-result-word view:nth-child(2) { font-size: 22rpx; color: #898989; }
			.search-result-item text { font-size: 50rpx; color:#898989;}
			
			.search-suggest { border-top: 2rpx #e4e4e4 solid; padding: 30rpx; font-size: 26rpx;}
			.search-suggest-head { color: #4574a5; margin-bottom: 74rpx; }
			.search-suggest-item { color: #5d5d5d; margin-bottom: 74rpx; }
			.search-suggest-item text { color: #bdbdbd; margin-right: 28rpx; position: relative; top: 2rpx; }
</style>
